EP 0635482 A3 19960821 - Process for the preparation of polyfluoronitrobenzenes.
Title (en)
Process for the preparation of polyfluoronitrobenzenes.
Title (de)
Verfahren zur Herstellung von mehrfach fluorierten Nitrobenzolen.
Title (fr)
Procédé pour la préparation de polyfluoronitrobenzènes.
Publication
Application
Priority
DE 4324365 A 19930721
Abstract (en)
[origin: EP0635482A2] Polyfluoronitrobenzenes, preferably di- or trifluoronitrobenzenes, are prepared advantageously from the corresponding chloronitrobenzenes and an alkali metal fluoride by a chlorine/fluorine exchange reaction, by catalysing the reaction with a quaternary ammonium compound containing at least one alkoxypolyoxyalkyl radical.
IPC 1-7
IPC 8 full level
B01J 31/02 (2006.01); C07B 61/00 (2006.01); C07C 201/12 (2006.01); C07C 205/12 (2006.01)
CPC (source: EP US)
C07C 201/12 (2013.01 - EP US)
C-Set (source: EP US)
Citation (search report)
- [YD] WO 8704149 A1 19870716 - MALLINCKRODT INC [US]
- [Y] US 4694104 A 19870915 - CHAKRABARTI PARITOSH M [US], et al
- [Y] EP 0270965 A2 19880615 - BAYER AG [DE] & DE 3642332 A1 19880623 - BAYER AG [DE]
- [A] EP 0523671 A2 19930120 - HOECHST AG [DE]
- [A] EP 0354444 A2 19900214 - BAYER AG [DE]
Designated contracting state (EPC)
BE CH DE ES FR GB IE IT LI NL
DOCDB simple family (publication)
EP 0635482 A2 19950125; EP 0635482 A3 19960821; EP 0635482 B1 19981014; CA 2128469 A1 19950122; DE 4324365 A1 19950126; DE 59407076 D1 19981119; ES 2124819 T3 19990216; JP H07145111 A 19950606; US 5502260 A 19960326
DOCDB simple family (application)
EP 94110879 A 19940713; CA 2128469 A 19940720; DE 4324365 A 19930721; DE 59407076 T 19940713; ES 94110879 T 19940713; JP 16842294 A 19940720; US 27695194 A 19940719